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Li/LiFePO_4 battery performance with a guanidinium-based ionic liquid as the electrolyte 被引量：6

Li/LiFePO_4 battery performance with a guanidinium-based ionic liquid as the electrolyte
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摘要 A new guanidinium-based ionic liquid (IL) was investigated as a novel electrolyte for a lithium rechargeable battery. The viscosity, conductivity, lithium redox behavior, and charge-discharge characteristics of the lithium rechargeable batteries were investigated for the IL electrolyte with 0.3 mol kg 1 lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) salt. Li/ LiFePO 4 cells incorporating the IL electrolyte without additives showed good cycle properties at a charge-discharge current rate of 0.1 C, and exhibited good rate capabilities in the presence of a mass fraction of 10% vinylene carbonate or gamma-butyrolactone. A new guanidinium-based ionic liquid （IL） was investigated as a novel electrolyte for a lithium rechargeable battery. The viscosity, conductivity, lithium redox behavior, and charge-discharge characteristics of the lithium rechargeable batteries were investigated for the IL electrolyte with 0.3 mol kg 1 lithium bis（trifluoromethanesulfonyl）imide （LiTFSI） salt. Li/ LiFePO 4 cells incorporating the IL electrolyte without additives showed good cycle properties at a charge-discharge current rate of 0.1 C, and exhibited good rate capabilities in the presence of a mass fraction of 10% vinylene carbonate or gamma-butyrolactone.
作者 ZHANG XinYue FANG ShaoHua ZHANG ZhengXi YANG Li
机构地区 School of Chemistry and Chemical Technology
出处 《Chinese Science Bulletin》 SCIE EI CAS 2011年第27期2906-2910,共5页
关键词 离子液体 电解液 电池性能 锂离子充电电池 胍基 氧化还原行为 碳酸亚乙烯酯 充放电特性 lithium battery, lithium iron phosphate, ionic liquid, guanidinium
分类号 TM912 [电气工程—电力电子与电力传动]
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Chinese Science Bulletin
2011年 第27期

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